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1901 t Wood-Sno Road NE,Suite 100 <br /> BTL <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 t <br /> ENGR\TEERING Fax:425-821-2120 <br /> Stud Wall Design <br /> Based on 2018 NDS Combined axial and bending formula: <br /> [fdF,'1` +fb/Fe[1-(fdFcE)] < 1 in which: F,E = 0.822(Emin')/(fjd)2 <br /> Wall: Exterior Walls Wall Height: 19.25 ft <br /> Desired Stud Spacing: 16 in oc <br /> No fire Rating V Design Axial Dead Load: 323 pif <br /> (2)2x6 Design Axial Live Load: 0 plf <br /> SPF Stud Design Axial Snow Load: 538 pif <br /> Design Lateral Pressure(0.6W): 15 psf <br /> Deflection Criteria: U 180 <br /> STUD CHECK Peld < 50 OK <br /> D+0.6W(CD= 1.60) <br /> [fj,]2 +fb/Fe[1-(fdF.E)] = 0.70 < 1 OK <br /> fdF�E2 + (fb/FbE)`= 0.00 < 1 OK <br /> D+0.75L+0.75(0.6W)+0.75S (CD= 1.60) <br /> [fdF.']2+fb/Fb'11-(fdF.E)1= 0.71 < 1 OK <br /> fdF,E2+ (fb/Fbe)`= 0.00 < 1 OK <br /> D+0.75L+0.75S (Co= 1.15) <br /> fdF.' = 0.30 < 1 OK <br /> D+L(CD= 1.0) <br /> fdF.' = 0.14 < 1 OK <br /> Deflection(No Increase for Load Duration): <br />€ Defl: U 180 = 1.28 1.24 < 1.28 OK <br /> I <br /> SPF Stu ;2)2x(@ 16 oc OK <br /> I <br /> PLATE CRUSHING CHECK <br /> Checks Crushing Spacing' <br /> for Stud S acin ` <br /> No Stress Increase for Load Duration <br /> Hem Fir Plates: f,,/F.l'= 0.13 < 1 OK <br /> Douglas Fir Plates: f,/F,i = 0.08 < 1 OK <br /> Plate must also be checked for bending. <br /> 2 Check on crushing only applies to stud spacing. Joists above <br /> must also be checked for crushing effect on plate. <br /> Also, no stress increase is allowed due to load duration. <br /> Date: 1/27/2021 <br /> Page: M1 .2 <br />